Roofing Calculators

Pitch and squares first, then installed cost by material. Quantity tools route into the cost calculator when you are ready to budget.

Cost calculators

Roofing Cost CalculatorFree roofing cost calculator in squares and square feet. Asphalt, metal, cedar, and tile — national US installed ranges.

Quantity calculators

Roof Pitch CalculatorConvert rise/run or angle to roof pitch, degrees, and area multiplier — with walkability notes by slope.
Roofing Square CalculatorConvert footprint and pitch to roofing squares and asphalt shingle bundles — with waste for simple or complex roofs.